各种数据转换
1、字符串转换为数组
var string = '123,456,789';var stringResult = string.split(',');console.log(stringResult) //输出["123", "456", "789"]var string2 = 'abcdef'var string2Result = string2.split('')console.log(string2Result) //输出['a','b','c','d','e','f']string2.split(",").map(Number);//输出[123,456,789]JSON.parse("[" + string + "]"); //输出[123,456,789]2、数组转换为字符串var array = ['abc', 'def', 'hig']var arrayResult = array.join(',')console.log(arrayResult) // 输出"abc,def,hig"array.toString()//输出"abc,def,hig"

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